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Thread: British Special Forces 3rd Gen Integrated Upper Receiverís from Colt Canada

  1. #351
    Newbie
    Join Date
    Apr 2007
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    Manitoba
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    If the 40 ft-lb spec called for a particular length crowfoot run parallel on a particular length torque wrench, then that would be correct. However The crowfoot is usually run at exactly 90 degrees to avoid extra leverage.

    The formula to calculate what to set the torque wrench to follows (example is 18.5” torque wrench, 3” adapter):

    Torque Wrench Length X Torque Desired) = (18.5 x 40) = 740
    Divided by:
    (Torque Wrench Length + Extension Length) = (18.5 + 3) = 21.5 inches
    740 / 21.5 = 34.42 ft.-lbs.

    That’s 16% in this example. Most automotive fasteners expect a 10% variation, maybe firearms are more tolerant.

  2. #352
    Member
    Join Date
    Dec 2018
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    38
    Quote Originally Posted by Nordic Marksman View Post
    If anyone is on the fence about doing a build, all in stock components are on sale, 15% off today store wide for Cyber Monday.
    Colt Canada, Smith Enterprise, Magpul, EOTech. Grab a deal.

    Ends tonight at Midnight.


    when will the collars be in stock again?

  3. #353
    CGN Regular Fuzzy Wool Hat's Avatar
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    Jan 2014
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    Ontario, Canada
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    148
    Quote Originally Posted by dekin4 View Post
    when will the collars be in stock again?
    Sent them an email inquiring about this almost 3 weeks ago with no response. Would be cool to know since I’ve got over 1k worth of stuff I want to buy from them besides the collars

  4. #354
    CGN Ultra frequent flyer Rebel Rouser's Avatar
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    Apr 2004
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    4,363
    Quote Originally Posted by Fuzzy Wool Hat View Post
    Sent them an email inquiring about this almost 3 weeks ago with no response. Would be cool to know since Iíve got over 1k worth of stuff I want to buy from them besides the collars
    Call them dude.

    "God made man, but Samuel Colt made them equal"
    Colt Firearms advertising slogan.
    Diemaco #1 Fanboy

  5. #355
    Super GunNutz Boltgun's Avatar
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    Mar 2004
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    Just an FYI - torque spec on MRR/IUR is 80 ft lbs.

    Boltgun
    1*

    DISRUPTING OODA LOOPS FOR THE HECK OF IT

  6. #356
    CGN Regular Dude in G.P.'s Avatar
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    Dec 2005
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    823
    Quote Originally Posted by Boltgun View Post
    Just an FYI - torque spec on MRR/IUR is 80 ft lbs.

    Boltgun
    Thanks for the tip!
    Yep, it's like that.....

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